Computer Graphics(CG) Question Bank 2023

Computer Graphics(CG) Question Bank

Unit I:

1. Define Computer Graphics? Explain Applications of Computer Graphics?
2. Explain the working of the cathode ray tube with a suitable diagram.
3. Draw and explain the Architecture of Raster Scan Display with display
   processor.
4. Explain
   i]Scan Conversion?
   ii]Rendering
   iii]Rasterization
   iv] Pixel
5. What is the difference between Raster scan Display and
   Random Scan Display?

Unit II:

1. Explain Digital Differential Algorithm (DDA) Line drawing Algorithm with Mathematical Derivation.
2. Explain Bresenhams Line drawing Algorithm with Mathematical Derivation (Equation).
3. Explain Mid Point Circle drawing Algorithm with Mathematical Derivation (Equation).
4. Explain Flood Fill Algorithm?
5. Draw a Line between the points (2,7) and (9,1) using DDA Algorithm.
6. Draw a Line between the points (1,1) and (5,3) using Bresenhems Algorithm.

Unit III:

1. Explain Translation with Matrix representation and Example?
2. Explain Scaling with Matrix representation and Example?
3. Explain Rotation with Matrix representation and Example?
4. Write and Explain the Homogeneous Coordinates representation?
5. Explain Reflection and it types with their matrix representation.
6. Explain 2-D Shear Transformation in detail.

Unit IV:

1. Explain in detail the concept of window and viewport.
2. Explain Cohen-Sutherland line clipping Algorithm.
3. Explain liang barsky Line clipping Algorithm.
4. Explain Sutherland – Hodgman Polygon Clipping.
5. Explain Point Clipping with Example.

Unit V:

1. Explain 3- D Transformation.
2. Explain 3-D Rotation in brief.
3. Explain Bezier curve.
4. Explain Parallel Projection of an Object.
5. Explain Perspective Projection of an Object.

Unit VI:

1. Explain Back-Face Detection method with equation.
2. Explain Depth Buffer method with equation and also write the
   algorithm.
3. Discriminate the basic concepts of Classification of Visible Surface
   Detection algorithm
4. Explain Area subdivision Method.
5. What is Animation Languages, Explain various types.
6. Define Keyframe and explain.
7. Explain Morphing with detailed procedure
8. Explain Weiler-Atherton Polygon clipping.

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